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Fig. 2 - Sufficient visualisation of the distal third of the common bile duct with conventional ultrasonography. | |
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Good visualisation with THI: evaluation of the distal third of the common bile duct was rated as excellent; better resolution allows evaluation of medial insertion of the cystic stump. The better signal-to-noise ratio allows for better diagnostic confidence in excluding stones. |
Fig. 3 - Conventional ultrasonography permits sufficient evaluation of a small stone in the distal portion of the common bile duct. | |
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Tissue harmonic imaging: excellent identification and better detail resolution of the stone thanks to better axial and lateral resolution. The shadow cone is also well visible. |
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